Abstract: Various embodiments include a robot unit for a technical apparatus comprising: a base connecting the robot unit to the technical apparatus; a first member pivot-mounted on the base; and a second member pivot-mounted on the base or the first member. The first member and the second member are each movable in one direction relative to a degree of freedom by a separate actuator. The first member and the second member are only movable together counter to the direction relative to the degree of freedom by a single counter actuator device.

Abstract: A liquid distributor for a separation device is provided. The liquid distributor comprises at least one pre-distributor member positioned above a plurality of distributor members. The at least one pre-distributor member comprises at least two troughs each comprising a plurality of discharge openings. Each two of the at least two troughs are connected with each other, and a first trough has an overflow portion and at least one deflector attached to the overflow portion or a side wall of the first trough. A second trough has an upper edge. If a liquid level in the first trough reaches the overflow portion, the at least one deflector extends from above the upper edge of the second trough to the second trough so that liquid flows into the second trough from the first trough over the overflow portion or the side wall and the at least one deflector.

Abstract: The disclosure relates to a hybrid-electrical drive system for an aircraft having two subsystems that are largely independent of each other. A stator winding of a common electrical machine is assigned to each of the subsystems such that both subsystems may be supplied with electrical energy from the common electrical machine. If a defect occurs in one of the subsystems, the drive system may be configured such that electrical energy from a battery of the non-defective subsystem may be transferred into the defective subsystem by utilizing the two stator winding systems.

Abstract: Various embodiments include a fastening unit for fastening a tendon to a system. The fastening unit comprises: a head with a first opening; a shaft with a second opening and an external thread; and a channel extending from the first opening along the head to the second opening at least partly along the shaft. The external thread and the channel in each case accommodate the tendon.

Abstract: A method for aligning a robotic arm in a superordinate reference pose is specified, —where the robotic arm includes a plurality of robotic joints, each of which includes a drive device which enables rotation about an associated axis of rotation, where an associated eccentric lever element is formed for at least two selected robotic joints by one or more other partial elements of the robotic arm, the method including: aligning the drive device of a first selected robotic joint in an automated manner in a first target position in which the associated first eccentric lever element is disposed in a reversal position, aligning the drive device of a second selected robotic joint in an automated manner in a second target position in which the associated second eccentric lever element is disposed in a reversal position, where the sub-steps are repeated in an iterative loop until the change in angle effected in each sub-step falls below a predetermined limit value.

Abstract: The disclosure relates to a hybrid-electrical drive system for an aircraft having two subsystems that are largely independent of each other. A stator winding of a common electrical machine is assigned to each of the subsystems such that both subsystems may be supplied with electrical energy from the common electrical machine. If a defect occurs in one of the subsystems, the drive system may be configured such that electrical energy from a battery of the non-defective subsystem may be transferred into the defective subsystem by utilizing the two stator winding systems.

Abstract: A liquid distributor for a separation device, such as for a mass transfer column for a packing column for absorption, stripping, scrubbing or distillation. The liquid distributor includes at least one distributor member having two or more outlet openings for an outflow of liquid in the form of jets, and the liquid distributor further includes at least one screen which is arranged in front of the outlet openings so that liquid jets outflowing through the outlet openings of the distributor member impinge onto the surface of the at least one screen and are deformed thereon to thin flowing liquid films. At least one of the at least one screen is made at least partially of a carbon composite material.

Abstract: An actuator comprising: a piezo actuator; a drive having a drive chamber and a drive piston element driven by the piezo actuator; a first output having an output chamber and a piston element; and a second output having an output chamber and a piston element. At least part of the hydraulic fluid is conveyed out of the drive chamber by movement of the drive piston element and into the first output chamber. At least part of the hydraulic fluid is conveyed out of the drive chamber and into the second output chamber. The second output piston element has a hydraulically active second output face which is different in size from the first output face. There may be a coupling device mechanically coupling the first output piston element to the second output piston element.

Abstract: Various embodiments include a fastening unit for fastening a tendon to a system. The fastening unit comprises: a head with a first opening; a shaft with a second opening and an external thread; and a channel extending from the first opening along the head to the second opening at least partly along the shaft. The external thread and the channel in each case accommodate the tendon.

Abstract: One aspect relates to a method for manufacturing a substrate assembly for attachment to an electronic component A substrate is provided with a first side and a second side. A contact material layer is applied to the first side of the substrate. A pre-fixing agent is applied at least to sections of a side of the contact material layer facing away from the substrate.

Abstract: Various embodiments include a robot unit for a technical apparatus comprising: a base connecting the robot unit to the technical apparatus; a first member pivot-mounted on the base; and a second member pivot-mounted on the base or the first member. The first member and the second member are each movable in one direction relative to a degree of freedom by a separate actuator. The first member and the second member are only movable together counter to the direction relative to the degree of freedom by a single counter actuator device.

Abstract: An actuator comprising: a piezo actuator; a drive having a drive chamber and a drive piston element driven by the piezo actuator; a first output having an output chamber and a piston element; and a second output having an output chamber and a piston element. At least part of the hydraulic fluid is conveyed out of the drive chamber by movement of the drive piston element and into the first output chamber. At least part of the hydraulic fluid is conveyed out of the drive chamber and into the second output chamber. The second output piston element has a hydraulically active second output face which is different in size from the first output face. There may be a coupling device mechanically coupling the first output piston element to the second output piston element.

Abstract: The synchronous machine module includes a synchronous machine and a rotational speed controller for controlling a rotational speed of the synchronous machine, which rotational speed controller has a detector for detecting a variable which is formed by the effective power or is dependent thereon. The rotational speed controller is designed to set the rotational speed of the synchronous machine and/or the time profile thereof as a function of the detected variable and/or its time profile. The vehicle drive has such a synchronous machine module and a power generator, which in order to supply the synchronous machine module is connected thereto. The vehicle is, in particular, an aircraft and has such a vehicle drive and/or such a synchronous machine module.

Abstract: The disclosure relates to a propeller drive that is, in particular, an aircraft drive and includes a propeller machine and an electric drive connected without a converter to the propeller machine. The aircraft includes such a propeller drive.

Abstract: The synchronous machine module includes a synchronous machine and a rotational speed controller for controlling a rotational speed of the synchronous machine, which rotational speed controller has a detector for detecting a variable which is formed by the effective power or is dependent thereon. The rotational speed controller is designed to set the rotational speed of the synchronous machine and/or the time profile thereof as a function of the detected variable and/or its time profile. The vehicle drive has such a synchronous machine module and a power generator, which in order to supply the synchronous machine module is connected thereto. The vehicle is, in particular, an aircraft and has such a vehicle drive and/or such a synchronous machine module.

Abstract: The disclosure relates to a propeller drive that is, in particular, an aircraft drive and includes a propeller machine and an electric drive connected without a converter to the propeller machine. The aircraft includes such a propeller drive.

Abstract: A simplified magnetic reluctance coupling for coupling a first shaft to a second shaft, has a hollow cylindrical stator which has at least one magnet that is/are distributed around the circumference of the stator. The reluctance coupling also has a first rotor, which is supported in such a way that it can rotate within the stator, is connected to a first shaft in a rotationally fixed manner, and has a plurality of ferromagnetic first portions distributed around the circumference thereof and spatially separated from one another, as well as a second rotor, which is supported in such a way that it can rotate within the first rotor, is connected to the second shaft in a rotationally fixed manner, and has a plurality of ferromagnetic second portions distributed around the circumference thereof.

Abstract: Embodiments relate to a magnetic coupling, comprising a first coupling part, that can be rotated about an axis of rotation, a second coupling part, that can be rotated about the axis of rotation, and at least one coil, that is configured to generate a magnetic field along the axis of rotation through the first and second coupling parts for contactless transmission of a torque between the first and second coupling parts. A magnetic coupling having a magnetic field along the axis of rotation reduces forces that act on the coupling parts in a radial direction.

Abstract: A method for driving a vehicle comprising at least two motors is provided. If a plurality of motors are fed from an intermediate circuit via inverters, the current in the intermediate circuit has a plurality of harmonics (?5th, ?3th, ?1st, +1st, +3rd, +5th). To prevent coupling capacitors of the intermediate circuit becoming over-burdened, the switching frequency of the inverters is shifted in such a manner that the harmonics no longer fall into a resonance range.

Abstract: The present disclosure relates to a timing synchronization circuit for a digital receiver structure that includes a timing error detection module comprising a phase difference calculation unit arranged for calculating a phase difference between incoming samples of a digital data stream, and a timing error estimator arranged for determining a timing error estimate based on the calculated phase difference, and for generating, based on the determined timing error estimate, a signal indicative of timing error detection. The circuit also includes a timing error control module arranged for receiving the signal indicative of timing error detection, for evaluating the number of received signals indicative of timing error detection and for outputting, after comparison with a threshold value, a sampling adjustment command for adjusting the sampling instants applied for obtaining the digital data stream.